<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.3 $ -->
<!-- splitted from ./en/functions/classobj.xml, last change in rev 1.4 -->
  <refentry id="function.get-parent-class">
   <refnamediv>
    <refname>get_parent_class</refname>
    <refpurpose>Retrieves the parent class name for object or class</refpurpose>
   </refnamediv>
   <refsect1>
    <title>Description</title>
     <methodsynopsis>
      <type>string</type><methodname>get_parent_class</methodname>
      <methodparam><type>mixed</type><parameter>obj</parameter></methodparam>
     </methodsynopsis>
    <para>
     If <parameter>obj</parameter> is an object, returns the name of the
     parent class of the class of which <parameter>obj</parameter> is an
     instance.
    </para>
    <para>
     If <parameter>obj</parameter> is a string, returns the name of the parent
     class of the class with that name. This functionality was added in PHP
     4.0.5.
    </para>
    <para>
     <example>
      <title>Using <function>get_parent_class</function></title>
      <programlisting>
<![CDATA[
<?php

class dad {
    function dad() {
    // implements some logic
    }
}

class child extends dad {
    function child() {
        echo "I'm " , get_parent_class($this) , "'s son\n";
    }
}

class child2 extends dad {
    function child2() {
        echo "I'm " , get_parent_class('child2') , "'s son too\n";
    }
}

$foo = new child();
$bar = new child2();

?>
]]>
      </programlisting>
      <para>
       The output is:
      </para>
      <screen>
<![CDATA[
I'm dad's son
I'm dad's son too
]]>
      </screen>
     </example>
    </para>
    <para>
     See also <function>get_class</function> and
     <function>is_subclass_of</function>.
    </para>
   </refsect1>
  </refentry>

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